Mark Barrett brought the drug from Massachusetts a few times a week to sell in the Farmington area. FARMINGTON — A Farmington man was sentenced Tuesday to serve three years of an eight-year sentence for bringing heroin from Massachusetts and selling it in the Farmington area in July 2016. Mark Barrett, 60, entered an Alford plea in September 2017 in a negotiated agreement to felony charges of unlawful trafficking in scheduled drugs and illegal importation of scheduled drugs.